/Engine/Source/Runtime/Slate/Public/Framework/Commands/UICommandList.h
Calls the CanExecuteAction associated with the provided command info to see if ExecuteAction can be called
bool CanExecuteAction ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< const [FUICommandInfo](API\Runtime\Slate\Framework\Commands\FUICommandInfo) > InUICommandInfo ) const